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【简答题】
使用grep命令搜索/etc/passwd文件中有多少行包含”nologin“,则下列命令中正确的是。 A.grep /etc/passwd -c 'nologin'; B.grep -c 'nologin' /etc/passwd; C.grep -c /etc/paawd 'nologin'; D.grep 'nologin' -v /etc/passwd;
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【简答题】完形填空。 Bringing a giraffe into the world is a tall order．A baby giraffe falls 10 feet from its mother's womb (子宫) and usually lands on its 1_ ．Within seconds it rolls over and tucks(缩拢) its legs under ...
【简答题】中国特色社会主义是党和人民胜利前进的光辉旗帜,是 的必由之路。
【简答题】( 2006. II , IV )试确定常数 A,B,C 的值,使得 , 其中 是当 比 高阶的无穷小
【单选题】An adult giraffe's head is about six feet above its heart. This means that to pump enough blood up to the brain the circulatory system must be strong enough to keep the blood at very high pressure. Bi...
A.
their legs and feet have strong skin and muscles
B.
their blood vessels are stiff and tough legs
C.
they wear a kind of special suit
D.
there are lots of one-way valves in the veins of their legs
【简答题】阅读理解。 The giraffe is the tallest modern land animal. It can be over 5.05 metres tall. Its neck alone may be 1.09 metres long. Yet the giraffe has only seven bones in its neck. The same number as in th...
【简答题】The giraffe is the tallest modern land animal. It can be over 5. 5 meters tall. Its neck alone may be 1. 9 meters long. Yet the giraffe has only seven bones in its neck, the same number as in the huma...
【单选题】The giraffe____its very long neck.
A.
is characteristic by
B.
is characterized by \
C.
characterizes by
D.
characteristic with
【单选题】When a giraffe has _____ drink, it has to stand with its front legs wide apart in order to reach _____ water easily.
A.
不填；不填
B.
a; the
C.
the; 不填
D.
不填；the
【简答题】Bringing a giraffe into the world is a tall order . A baby giraffe is born 10 feet high and usually lands on its back. Within seconds it rolls over its legs under its body. Then the mother giraffe rud...
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